[ADD] website_sale_aplicoop: Add sequence field to group.order for custom ordering

- Add sequence field to group.order model with default value 10
- Update _order to sort by sequence first, then start_date desc
- Add sequence field to tree view with handle widget for drag-and-drop reordering
- Add sequence field to form view for manual editing
- Orders in website list will now be ordered by sequence field

website_sale_aplicoop/models/group_order.py

@@ -16,7 +16,7 @@ class GroupOrder(models.Model):
     _name = "group.order"
     _description = "Consumer Group Order"
     _inherit = ["mail.thread", "mail.activity.mixin"]
-    _order = "start_date desc"
+    _order = "sequence, start_date desc"
 
     def _get_order_type_selection(self):
         """Return order type selection options with translations."""
@@ -65,6 +65,12 @@ class GroupOrder(models.Model):
         help="Company that owns this consumer group order",
     )
 
+    # === Secuencia ===
+    sequence = fields.Integer(
+        default=10,
+        help="Sequence for ordering group orders in the website list",
+    )
+
     # === Campos básicos ===
     name = fields.Char(
         required=True,

website_sale_aplicoop/views/group_order_views.xml

@@ -8,6 +8,7 @@
             <field name="model">group.order</field>
             <field name="arch" type="xml">
                 <list string="Group Orders">
+                    <field name="sequence" widget="handle"/>
                     <field name="company_id" optional="hide"/>
                     <field name="name"/>
                     <field name="group_ids" widget="many2many_tags" options="{'color_field': 'color'}"/>
@@ -50,6 +51,7 @@
                         <group>
                             <group>
                                 <field name="company_id" help="Company that owns this group order"/>
+                                <field name="sequence" help="Sequence for ordering in website list"/>
                                 <field name="group_ids" widget="many2many_tags" help="Groups that can participate in this order"/>
                                 <field name="type" help="Type of group order: Regular, Special, or Promotional"/>
                                 <field name="start_date" help="Day when the order opens for purchases"/>